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11.2 Data analysis

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Question 26

In a treatment study, 45 participants took part. 18 showed an improvement in their symptoms and 12 showed no change. The rest got worse.

Calculate the percentage of participants whose symptoms got worse. Give your answer to one decimal place.

[3]
Markscheme

11.2 Data analysis Questions

  1. GCSE
  2. /Psychology
  3. /11.2 Data analysis

72 exam-style questions on Edexcel GCSE Psychology 11.2 Data analysis, covering 11.2.1 Arithmetic and numerical computation, 11.2.2 Descriptive statistics, 11.2.3 Tables, charts and graphs, 11.2.4 Primary and secondary data, and 11.2.5 Qualitative and quantitative data. Each one has a worked solution and a mark scheme showing where the marks go.

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